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QT081548
Synonyms: 8-((2-(benzhydryloxy)ethyl)(methyl)amino)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione
Molecular Formula
C23H25N5O3
Molecular Weight
419.49
CAS No.
33120-34-2
QA021601
Theophylline-7-acetic Acid
Molecular Formula: C9H10N4O4
Molecular Weight: 238.2
CAS No.: 652-37-9
QT081502
Theophylline EP Impurity B;Pentoxifylline EP Impurity B
Molecular Formula: C6H6N4O2
Molecular Weight: 166.14
CAS No.: 1076-22-8
QT081503
Theophylline EP Impurity C;Caffeine EP Impurity B
Molecular Formula: C7H10N4O3
Molecular Weight: 198.18
CAS No.: 7597-60-6
QT081504
Theophylline EP Impurity D HCl;Diprophylline EP Impurity A;Theophyllidine
Molecular Formula: C6H10N4O.HCl
Molecular Weight: 154.17 36.46
CAS No.: 116131-08-9;6736-40-9 (free base)
QT081505
Theophylline EP Impurity E
Molecular Formula: C7H8N4O3
Molecular Weight: 196.16
CAS No.: 944-73-0
QT081506
Theophylline EP Impurity F;Diprophylline EP Impurity C;Etofylline
Molecular Formula: C9H12N4O3
Molecular Weight: 224.22
CAS No.: 519-37-9
QT081527
Theophylline Impurity 1
Molecular Formula: C9H10N4O3.C9H12N4O4
Molecular Weight: 222.20 240.22
CAS No.: 5614-53-9(aldehyde form),1429636-73-6(diol form)
QT081528
Theophylline Impurity 2
Molecular Formula: C6H6N4O2
Molecular Weight: 166.14
CAS No.: 6136-37-4
QT081529
Theophylline Impurity 3
Molecular Formula: C6H9N3O2
Molecular Weight: 155.15
CAS No.: 6642-31-5
QT081530
Theophylline Impurity 4
Molecular Formula: C5H5N5
Molecular Weight: 135.13
CAS No.: 20289-44-5
